Draw the mechanical network ii.) Find e2(S).
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A: The solution can be achieved as follows.
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- the armature mmf can be -2 reduced by reluctance of the magnetic the circuit in the region of the pole .tip a) Increasing, O b) decreasing O c) don't put ODC machine questionQ1. a) An SCR based AC power controller circuit is given in Figure 1. The circuit connects a 240V 50Hz AC source vi to a resistive load with resistance of 100. If the delay angle is a-15°, draw the waveforms of the load voltage Vo, and the voltage across SCR2. Calculate the power supplied to the load. + Vi Va + 2 SCR2 H₁₁ SCR₁ Figure 1 SCR based AC power control circuit Va + 2 io b) Figure 2 is a single phase 2-level voltage source converter (VSC) with a DC voltage Vd-200V. A PWM scheme, by comparing a reference value with a 10kHz triangle waveform, is used to control the switches S₁ and S2. The modulation index of the PWM is m=0.8. With the aid of graphs explain how pulse signals for the switches are generated, sketch the output voltage Vo, determine the duty cycle, and calculate the average output voltage. + Vo + Vo √ ₂ == Figure 2 A single phase VSC
- moodle.nct.edu.om/mod/quiz/attempt.php?attermpt=6123858&.cmid 63002#question-96 Portal When the load on a series generator is decreased, then the flux produced will be increased. Select one: O True in O False The accelerating anode in CRO is also called as positive electrode. Select one: O True O False MIEE2110M The neutral current in an unbalanced star connected system is not equal to 33°C Sunny hpWhat are interpoles, and what is their purpose?You are working as an electrician in a large steel manufacturing plant, and you are in the process of doing preventive maintenance on a large DC generator. You have megged both the series and shunt field windings and found that each has over 10 M to ground. Your ohmmeter, however, indicates a resistance of 1.5 across terminals S1andS2. The ohmmeter indicates a resistance of 225 between terminals F1andF2. Are these readings normal for this type machine, or is there a likely problem? Explain your answer.
- Discuss the relationship between voltage break down and humidity, temperature and distance explain with curveThree generators are rated as follows: G1: 100MVA, 33kV, xg1 = 0.1pu G2: 150MVA, 32kV, xg2 = 0.08pu G3: 110MVA, 30kV, xg3 = 0.12pu. Determine the reactance of the generator corresponding to base values of 200MVA and 35kVThe electrical equivalent of mechanical load in induction machine is? a. r2/s b. r2*(1-s)/s c. r2/(1-s) d. r2